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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.iotdb.tsfile.encoding.decoder;
import org.apache.iotdb.tsfile.encoding.encoder.SprintzEncoder;
import org.apache.iotdb.tsfile.file.metadata.enums.TSEncoding;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.IOException;
import java.nio.ByteBuffer;
public abstract class SprintzDecoder extends Decoder {
protected static final Logger logger = LoggerFactory.getLogger(SprintzEncoder.class);
protected int bitWidth;
protected int Block_size = 8;
protected boolean isBlockReaded;
protected int currentCount;
protected int decodeSize;
public SprintzDecoder() {
super(TSEncoding.SPRINTZ);
isBlockReaded = false;
currentCount = 0;
}
@Override
public void reset() {
isBlockReaded = false;
currentCount = 0;
}
protected abstract void decodeBlock(ByteBuffer in) throws IOException;
protected abstract void recalculate();
}